Force and Motion Study Guide

Motion is the result of ___________ forces.
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Terms in this set (22)
Motion is the result of ___________ forces.
Unbalced
An object is in motion if it's ________ changes.
Position
Speed and velocity are a measure of how fast an object moves; however, velocity includes a _______.
Direction
An object is in free fall if _______ is the only force acting on the object.
Gravity
Acceleration due to gravity is ____ m/s2
10
All objects fall at the same _______.
Acceleration
Who was the first to study gravity and its effects?
Isaac Newton
Two objects touch, one or neither does not move.
Static Friction
Two objects touch and one slides past another.
Sliding Friction
Two objects touch and one rolls past another.
Rolling Friction
Mass does not change from location to location; however ______ does. (Because if gravity)WeightObjects fall to Earths surface because of Earths large _____.MassGravitational pull depends on ____ and ________.Mass and distanceKnow: _________ forces do not CHANGE motion.BalancedGravity is a _____. Every object exerts a gravitational force on every other object.ForceA force is a ____ or ____ and these forces cause motion!Push or Pull___ force is the combination of all of the forces action on an object. Know how to determine net force!Net_______ _____ is a force that causes objects to start moving, stop moving, or change direction.Unbalanced forceAcceleration is a change in velocity's rate. Acceleration is a change in _____ or _____ (or both)Speed or directionDeceleration is a decrease in _____. (Know what this looks like on a velocity/time graph)Speed_______ is the tendency of an object to resist a change in motion. (This explains why seatbelts are in cars.)InertiaObjects move in the direction of the greatest ______.Force